diff options
Diffstat (limited to 'doc/classes/Crypto.xml')
| -rw-r--r-- | doc/classes/Crypto.xml | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/doc/classes/Crypto.xml b/doc/classes/Crypto.xml index 10f1f18f0d..4edb3eda0a 100644 --- a/doc/classes/Crypto.xml +++ b/doc/classes/Crypto.xml @@ -5,7 +5,7 @@ </brief_description> <description> The Crypto class allows you to access some more advanced cryptographic functionalities in Godot. - For now, this includes generating cryptographically secure random bytes, and RSA keys and self-signed X509 certificates generation. More functionalities are planned for future releases. + For now, this includes generating cryptographically secure random bytes, RSA keys and self-signed X509 certificates generation, asymmetric key encryption/decryption, and signing/verification. [codeblock] extends Node @@ -21,12 +21,48 @@ # Save key and certificate in the user folder. key.save("user://generated.key") cert.save("user://generated.crt") + # Encryption + var data = "Some data" + var encrypted = crypto.encrypt(key, data.to_utf8()) + # Decryption + var decrypted = crypto.decrypt(key, encrypted) + # Signing + var signature = crypto.sign(HashingContext.HASH_SHA256, data.sha256_buffer(), key) + # Verifying + var verified = crypto.verify(HashingContext.HASH_SHA256, data.sha256_buffer(), signature, key) + # Checks + assert(verified) + assert(data.to_utf8() == decrypted) [/codeblock] [b]Note:[/b] Not available in HTML5 exports. </description> <tutorials> </tutorials> <methods> + <method name="decrypt"> + <return type="PackedByteArray"> + </return> + <argument index="0" name="key" type="CryptoKey"> + </argument> + <argument index="1" name="ciphertext" type="PackedByteArray"> + </argument> + <description> + Decrypt the given [code]ciphertext[/code] with the provided private [code]key[/code]. + [b]Note[/b]: The maximum size of accepted ciphertext is limited by the key size. + </description> + </method> + <method name="encrypt"> + <return type="PackedByteArray"> + </return> + <argument index="0" name="key" type="CryptoKey"> + </argument> + <argument index="1" name="plaintext" type="PackedByteArray"> + </argument> + <description> + Encrypt the given [code]plaintext[/code] with the provided public [code]key[/code]. + [b]Note[/b]: The maximum size of accepted plaintext is limited by the key size. + </description> + </method> <method name="generate_random_bytes"> <return type="PackedByteArray"> </return> @@ -68,6 +104,34 @@ [/codeblock] </description> </method> + <method name="sign"> + <return type="PackedByteArray"> + </return> + <argument index="0" name="hash_type" type="int" enum="HashingContext.HashType"> + </argument> + <argument index="1" name="hash" type="PackedByteArray"> + </argument> + <argument index="2" name="key" type="CryptoKey"> + </argument> + <description> + Sign a given [code]hash[/code] of type [code]hash_type[/code] with the provided private [code]key[/code]. + </description> + </method> + <method name="verify"> + <return type="bool"> + </return> + <argument index="0" name="hash_type" type="int" enum="HashingContext.HashType"> + </argument> + <argument index="1" name="hash" type="PackedByteArray"> + </argument> + <argument index="2" name="signature" type="PackedByteArray"> + </argument> + <argument index="3" name="key" type="CryptoKey"> + </argument> + <description> + Verify that a given [code]signature[/code] for [code]hash[/code] of type [code]hash_type[/code] against the provided public [code]key[/code]. + </description> + </method> </methods> <constants> </constants> |